共 31 条
- [1] AKORDOR FBY, 1984, J DAIRY SCI S1, V67, P148
- [2] ARBEITER K, 1983, ZBL VET MED A, V30, P206
- [3] EFFECT OF DIETARY CAROTENE ON FERTILITY OF HIGH-YIELDING DAIRY-COWS [J]. ANIMAL PRODUCTION, 1985, 40 (APR): : 195 - 207
- [6] BONSEMBIANTE M, 1983, ZOOTEC NUTR ANIM, V9, P199
- [7] BONSEMBIANTE M, 1980, ZOOTEC NUTR ANIM, V6, P47
- [8] BONSEMBIANTE M, 1983, ZOOT NUTR ANIM, V9, P401
- [9] BOYD H, 1984, IRISH VET J, V38, P95
- [10] BREMEL D H, 1982, Journal of Dairy Science, V65, P178